 
//  自定义的导航条

#import <UIKit/UIKit.h>

@interface BNDSLNavigationBar : UINavigationBar

// 当前控制器
@property (nonatomic, assign) BOOL      sl_statusBarHidden;

/** 导航栏背景色透明度，默认是1.0 */
@property (nonatomic, assign) CGFloat   sl_navBarBackgroundAlpha;

@property (nonatomic, assign) BOOL      sl_navLineHidden;

- (void)sl_navLineHideOrShow;

@end
